How to send commands to telnet and leave session open [closed]

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I have to connect to a remote server via telnet and want to send file input there.

This is a processor emulator (MCF68k), so I can't just scp the file to the server and run from there.

I can send input like this:

telnet host.name < input.file

Which will successfully transmit the data to the server and run the commands stored that I want. However, I need the telnet session to stay interactive (not terminate).

How do I pipe a file to a command, then return control of stdin to the terminal and keep the interactive session open?

Very Late Edit:

I think this can be done using expect:

man expect: http://www.manpagez.com/man/1/expect/

python wrapper: http://www.noah.org/wiki/pexpect

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Does cat input.file - | telnet host.name work?